/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraMessageStore.h
const [TMap](API\Runtime\Core\Containers\TMap)< [FGuid](API\Runtime\Core\Misc\FGuid), [TObjectPtr](API\Runtime\Core\Delegates\TObjectPtr)< [UNiagaraMessageDataBase](API\Plugins\Niagara\UNiagaraMessageDataBase) > > & GetMessages() const